AWS ERNiCrFe-11 vs. AWS ERNiCu-7
Both AWS ERNiCrFe-11 and AWS ERNiCu-7 are nickel alloys. Both are furnished in the as-welded condition. They have 64% of their average alloy composition in common.
For each property being compared, the top bar is AWS ERNiCrFe-11 and the bottom bar is AWS ERNiCu-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 160 |
| Elongation at Break, % | 47 | |
| 34 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 61 |
| Tensile Strength: Ultimate (UTS), MPa | 740 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 280 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1280 |
| Melting Onset (Solidus), °C | 1310 | |
| 1240 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 440 |
| Thermal Conductivity, W/m-K | 11 | |
| 20 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 3.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 49 | |
| 50 |
| Density, g/cm3 | 8.2 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.5 |
| Embodied Energy, MJ/kg | 110 | |
| 120 |
| Embodied Water, L/kg | 280 | |
| 250 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 10 |
| Stiffness to Weight: Bending, points | 23 | |
| 21 |
| Strength to Weight: Axial, points | 25 | |
| 18 |
| Strength to Weight: Bending, points | 22 | |
| 17 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 5.3 |
| Thermal Shock Resistance, points | 20 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 1.0 to 1.7 | |
| 0 to 1.3 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.15 |
| Chromium (Cr), % | 21 to 25 | |
| 0 |
| Copper (Cu), % | 0 to 1.0 | |
| 18.3 to 36.5 |
| Iron (Fe), % | 7.2 to 20 | |
| 0 to 2.5 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 4.0 |
| Nickel (Ni), % | 58 to 63 | |
| 62 to 69 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.3 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 1.5 to 3.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |